Ëս̰æÁùÄ꼶֪ʶµãÕûÀí¼°ÌâÄ¿ÊÔ¾í ÏÂÔر¾ÎÄ

2¡¢Ò»¸öÁã¼þ³¤2ºÁÃ×£¬»­µÄͼֽÉϳ¤20ÀåÃ×£¬Õâ·ùͼֽµÄ±ÈÀý³ßÊÇ1£º100¡£ 3¡¢Éþ×ӵij¤¶ÈÒ»¶¨£¬ÓÃÈ¥µÄÃ×ÊýºÍʣϵÄÃ×Êý³ÉÕý±ÈÀý¡£ 4¡¢ÊéµÄµ¥¼ÛÒ»¶¨£¬ÂòÊéµÄÊýÁ¿ºÍ×ܼ۳ɷ´±ÈÀý¡£ Èý¡¢Ñ¡Ôñ

1¡¢ÔÚ¹¤×÷×ÜÁ¿¡¢¹¤×÷ЧÂʺ͹¤×÷ʱ¼äÕâÈýÖÖÏà¹ØÁªµÄÁ¿ÖУº µ±£¨ £©Ò»¶¨Ê±£¬£¨ £©ºÍ£¨ £©³ÉÕý±ÈÀý¡£ µ±£¨ £©Ò»¶¨Ê±£¬£¨ £©ºÍ£¨ £©³ÉÕý±ÈÀý¡£ µ±£¨ £©Ò»¶¨Ê±£¬£¨ £©ºÍ£¨ £©³É·´±ÈÀý¡£ A.¹¤×÷×ÜÁ¿ B.¹¤×÷ЧÂÊ C.¹¤×÷ʱ¼ä

2¡¢ÏÂÃæ¸÷ʽÖУ¬xºÍy£¨x¡¢y¾ù²»Îª0£©³ÉÕý±ÈÀýµÄÊÇ£¨ £©¡£ A.x-y=15 B.y=2x2 C.x=

23yy D.= 5x23¡¢°Ñ10¿ËÌÇÈÜÓÚ100¿ËË®ÖУ¬ÌǺÍÌÇË®µÄÖÊÁ¿±ÈÊÇ£¨ £©¡£

A.1:10 B.10:1 C.1:11 D.11:1 ËÄ¡¢½â·½³Ì

3x4=0.9:0.8 3:1.5=x:1.05 70£¥x+20£¥x=3.6 25%x+6x= 45Îå¡¢½â¾öÎÊÌâ

1¡¢Ò»¹²900±¾Êé¡£ÁùÄ꼶·ÖµÃ

2£¬·Ö¸øÎåÄ꼶ÓëÁùÄ꼶µÄ±¾Êý±ÈÊÇ4:5£¬ÎÊÎåÄ꼶·ÖµÃ¶à9ÉÙ±¾£¿

2¡¢ËÄ´¨ÑÅ°²µØÕðºóµÃµ½ÁËÈ«¹ú¸÷µØµÄÖ§Ô®£¬Ä³µØµÄÒ»¸ö³µ¶ÓÏòÔÖÇøÔËËÍÒ»Åú¾ÈÔÖÎï×Ê£¬È¥Ê±Ã¿Ð¡Ê±ÐÐÊ»60ǧÃ×£¬6.5Сʱµ½´ïÔÖÇø¡£·µ»ØʱÿСʱÐÐÊ»78ǧÃ×£¬Õâ¸ö³µ¶Ó¶à³¤Ê±¼ä£¨²»°üÀ¨È¥Ê±ÓÃʱ£©Äܹ»·µ»Ø³ö·¢µØ£¿

3¡¢Ò»¸ùľÁÏ£¬¾â³É3¶ÎÐèÒª9·ÖÖÓ£¬ÕÕÕâÑù¼ÆË㣬¾â³É6¶ÎÐèÒª¶àÉÙ·ÖÖÓ£¿£¨ÓñÈÀý֪ʶ½â´ð£©

4¡¢ÔÚÒ»·ù±ÈÀý³ßÊÇ1:1200µÄͼֽÉÏ£¬Á¿µÃÒ»¸öÔ²Ðλ¨Ì³µÄÖ±¾¶ÊÇ3ÀåÃ×£¬Õâ¸öÔ²Ðλ¨Ì³µÄʵ¼ÊÃæ»ýÊǶàÉÙƽ·½Ã×£¿ÔÚÔ²Ðλ¨Ì³µÄÍâΧÐÞÒ»Ìõ¿í1Ã׵Ļ·ÐÎС·£¬»·ÐÎС·µÄʵ¼ÊÃæ»ýÊǶàÉÙƽ·½Ã×£¿

5¡¢¼×¡¢ÒÒÁ½Í°ÀïÓ͹²ÖØ124ǧ¿Ë£¬Èô´Ó¼×Í°ÀïÈ¡³öÓ͵Ä

11£¬´ÓÒÒÍ°ÀïÈ¡³öÓ͵ģ¬Ôò¼×¡¢54ÒÒÁ½Í°ÀïʣϵÄÓÍÒ»ÑùÖØ¡£¼×¡¢ÒÒÁ½Í°ÀïÔ­À´¸÷ÓжàÉÙǧ¿ËÓÍ£¿

ÈüµãÌâÊÔÁ·

1¡¢Ä³°àÔÚÒ»´ÎÊýѧ²âÑéÖУ¬È«°àͬѧµÄƽ¾ù³É¼¨ÊÇ78·Ö£¬ÄС¢Å®ÉúµÄƽ¾ù³É¼¨·Ö±ðÊÇ75.5·ÖºÍ81·Ö¡£Õâ¸ö°àµÄÄС¢Å®ÉúÈËÊýµÄ±ÈÊǶàÉÙ£¿

2¡¢Ä³Ô³õ£¬Ã¿¿Ë»Æ½ðºÍÿͰԭÓ͵ļ۸ñ±ÈÊÇ3:5.¸ù¾ÝͼÖеÄÐÅÏ¢»Ø´ð£º¸ÃÔ³õ£¬Ã¿¿Ë»Æ½ðµÄ¼Û¸ñÊÇ_______Ôª£»Ã¿Í°Ô­Ó͵ļ۸ñÊÇ_________Ôª¡£ ÔÂÄ©£¬ËüÃǵļÛ

¸ñ¶¼ÉÏÕÇÁË70

Ôª£¬¼Û¸ñ±È±ä³É

ÁË2:3

3¡¢ÐÇÆÚÌ죬ÓкܶàÈËÔÚ¹«Ô°ÓÎÍ棬ÆäÖÐÀÏÄêÈ˺ÍÖÐÄêÈ˵ÄÈËÊý±ÈÊÇ2:9£¬ÖÐÄêÈ˺ͶùͯµÄÈËÊý±ÈÊÇ3:7£¬¶ùͯÃÅƱ2Ôª£¬ÖÐÄêÈËÃÅƱ3Ôª£¬ÀÏÄêÈËÊÇ1Ôª£¬ÕâÌì¹²ÊÕÈ¡ÃÅƱ·Ñ1917Ôª¡£ÇóÀÏÄêÈË¡¢ÖÐÄêÈ˺ͶùͯµÄÈËÊý¸÷ÊǶàÉÙ£¿

2¡¢Í¼ÐÎÓ뼸ºÎ

ͼÐεÄÈÏʶ ²âÁ¿£¨Ò»£© ֪ʶµãÈ«½â

֪ʶµãÒ» Ö±Ïß¡¢ÉäÏß¡¢Ï߶ΠÃû³Æ Ö±Ïß ÉäÏß Ï߶Πͼ ÒâÒå °ÑÏ߶εÄÁ½¶ËÎÞÏÞÑÓ³¤£¬¾Í¿ÉÒԵõ½Ò»ÌõÖ±Ïß¡£ °ÑÏ߶εÄÒ»¶ËÎÞÏÞÑÓ³¤£¬¾Í¿ÉÒԵõ½Ò»ÌõÉäÏß¡£ Ö±ÏßÉÏÁ½µã¼äµÄÒ»¶Î½Ð×÷Ï߶Ρ£ Ïàͬµã ¶¼ÊÇÖ±µÄ ²»Í¬µã ûÓж˵㣬³¤¶ÈÎÞÏÞ¡£ ÓÐÒ»¸ö¶Ëµã£¬³¤¶ÈÎÞÏÞ¡£ ÓÐÁ½¸ö¶Ëµã£¬³¤¶ÈÓÐÏÞ¡£ ֪ʶµã¶þ ´¹Ö±ÓëƽÐÐ

1¡¢Æ½ÐÐ ÔÚͬһƽÃæÄÚ£¬²»ÏཻµÄÁ½ÌõÖ±Ïß½Ð×÷ƽÐÐÏߣ¬Ò²¿ÉÒÔ˵ÕâÁ½ÌõÖ±Ïß»¥ÏàƽÐС£ 2¡¢´¹Ö± ÔÚͬһƽÃæÄÚ£¬Á½ÌõÖ±ÏßÏཻ³ÉÖ±½Ç£¬¾Í˵ÕâÁ½ÌõÖ±Ïß»¥Ïà´¹Ö±£¬ÆäÖÐÒ»ÌõÖ±Ïß½Ð×÷ÁíÒ»ÌõÖ±ÏߵĴ¹Ïߣ¬ÕâÁ½ÌõÖ±ÏߵĽ»µã½Ð×÷´¹×ã¡£

3¡¢µãµ½Ö±ÏߵľàÀë ´ÓÖ±ÏßÍâÒ»µãµ½ÕâÌõÖ±ÏßËù»­µÄ´¹Ö±Ï߶εij¤¶È£¬½Ð×÷Õâ¸öµãµ½Ö±ÏߵľàÀë¡£ ֪ʶµãÈý ½Ç

1¡¢½ÇµÄÒâÒå ´ÓÒ»µãÒý³öµÄÁ½ÌõÉäÏßËù×é³ÉµÄͼÐνÐ×÷½Ç¡£½ÇµÄ´óСÓëÁ½±ßµÄ³¤¶ÌÎ޹أ¬ÓëÁ½±ßÕÅ¿ªµÄ´óСÓйء£ 2¡¢½ÇµÄ·ÖÀà Èñ½Ç Ö±½Ç ¶Û½Ç ƽ½Ç ÖÜ½Ç ´óÓÚ0¡ã СÓÚ90¡ã µÈÓÚ90¡ã ´óÓÚ90¡ã СÓÚ180¡ã µÈÓÚ180¡ã µÈÓÚ360¡ã ֪ʶµãËÄ Èý½ÇÐÎ 1¡¢Èý½ÇÐεĶ¨Òå

ÓÉÈýÌõÏ߶ÎÊ×β˳´ÎÏàÁ¬Î§³ÉµÄ·â±ÕͼÐΣ¬½Ð×÷Èý½ÇÐΡ£ 2¡¢Èý½ÇÐεĸ÷²¿·ÖÃû³Æ

Χ³ÉÈý½ÇÐεÄÈýÌõÏ߶νÐ×÷Èý½ÇÐεıߡ£Ã¿Á½Ìõ±ßµÄ½»µã½Ð×÷Èý½ÇÐεĶ¥µã¡£Ã¿Á½Ìõ±ßËùΧ³ÉµÄ½Ç½ÐÈý½ÇÐεÄÄڽǡ£

´ÓÈý½ÇÐεÄÒ»¸ö¶¥µãµ½Ëü¶Ô±ß×÷Ò»Ìõ´¹Ïߣ¬¶¥µãºÍ´¹×ãÖ®¼äµÄÏ߶νÐ×÷Èý½ÇÐεĸߡ££¨×÷ͼʱ¸ßÒ»°ãÓÃÐéÏß±íʾ£¬²¢±êÉÏ´¹Ö±·ûºÅ£© 3¡¢Èý½ÇÐεķÖÀà £¨1£©°´½Ç·Ö Ãû³Æ ͼÐÎ Èñ½ÇÈý½ÇÐÎ Ö±½ÇÈý½ÇÐÎ ¶Û½ÇÈý½ÇÐÎ ÌØÕ÷ Ãû³Æ ͼÐÎ Èý¸ö½Ç¶¼ÊÇÈñ½Ç ²»µÈ±ßÈý½ÇÐÎ ÓÐÒ»¸ö½ÇÊÇÖ±½Ç µÈÑüÈý½ÇÐÎ ÌØÊâÐÎʽÓÐÒ»¸ö½ÇÊÇ¶Û½Ç £¨2£©°´±ß·Ö ÌØÕ÷ ÈýÌõ±ß¶¼²»ÏàµÈ ÓÐÁ½Ìõ±ßÏàµÈ ÈýÌõ±ß¶¼ÏàµÈ ֪ʶµãÎå ËıßÐÎ

1¡¢ËıßÐεÄÒâÒå ÔÚͬһƽÃæÄÚ£¬ÓÉËÄÌõÏ߶ÎÊ×β˳´ÎÏàÁ¬Î§³ÉµÄ·â±ÕͼÐΣ¬½Ð×÷ËıßÐΡ£ 2¡¢ËıßÐεķÖÀà

ËıßÐÎ

ƽÐÐËıßÐÎ ÌÝÐÎ ³¤·½ÐÎ

µÈÑüÌÝÐÎ Ö±½ÇÌÝÐÎ Õý·½ÐÎ

3¡¢¼¸ÖÖËıßÐεĹØϵ